PSF-9432 Introduce JUnit Arguments Refaster Rule

error-prone-contrib/pom.xml

@@ -130,7 +130,7 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-params</artifactId>
-            <scope>test</scope>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>

error-prone-contrib/src/main/java/tech/picnic/errorprone/refastertemplates/JUnitTemplates.java

@@ -0,0 +1,29 @@
+package tech.picnic.errorprone.refastertemplates;
+
+import static org.junit.jupiter.params.provider.Arguments.arguments;
+
+import com.google.errorprone.refaster.ImportPolicy;
+import com.google.errorprone.refaster.annotation.AfterTemplate;
+import com.google.errorprone.refaster.annotation.BeforeTemplate;
+import com.google.errorprone.refaster.annotation.Repeated;
+import com.google.errorprone.refaster.annotation.UseImportPolicy;
+import org.junit.jupiter.params.provider.Arguments;
+
+/** Refaster templates related to JUnit expressions and statements. */
+final class JUnitTemplates {
+  private JUnitTemplates() {}
+
+  /** Prefer statically imported {@link Arguments#arguments} over {@link Arguments#of} calls. */
+  static final class ArgumentsEnumeration<T> {
+    @BeforeTemplate
+    Arguments before(@Repeated T objects) {
+      return Arguments.of(objects);
+    }
+
+    @AfterTemplate
+    @UseImportPolicy(ImportPolicy.STATIC_IMPORT_ALWAYS)
+    Arguments after(@Repeated T objects) {
+      return arguments(objects);
+    }
+  }
+}

error-prone-contrib/src/test/java/tech/picnic/errorprone/bugpatterns/RefasterCheckTest.java

@@ -57,6 +57,7 @@ public final class RefasterCheckTest {
           "ImmutableSortedMultiset",
           "ImmutableSortedSet",
           "IntStream",
+          "JUnit",
           "LongStream",
           "MapEntry",
           "Mockito",

error-prone-contrib/src/test/resources/tech/picnic/errorprone/bugpatterns/JUnitTemplatesTestInput.java

@@ -0,0 +1,11 @@
+package tech.picnic.errorprone.bugpatterns;
+
+import com.google.common.collect.ImmutableSet;
+import org.junit.jupiter.params.provider.Arguments;
+
+final class JUnitTemplatesTest implements RefasterTemplateTestCase {
+  ImmutableSet<Arguments> testArgumentsEnumeration() {
+    return ImmutableSet.of(
+        Arguments.of("foo"), Arguments.of(1, "foo", 2, "bar"), Arguments.of(new Object()));
+  }
+}

error-prone-contrib/src/test/resources/tech/picnic/errorprone/bugpatterns/JUnitTemplatesTestOutput.java

@@ -0,0 +1,13 @@
+package tech.picnic.errorprone.bugpatterns;
+
+import static org.junit.jupiter.params.provider.Arguments.arguments;
+
+import com.google.common.collect.ImmutableSet;
+import org.junit.jupiter.params.provider.Arguments;
+
+final class JUnitTemplatesTest implements RefasterTemplateTestCase {
+  ImmutableSet<Arguments> testArgumentsEnumeration() {
+    return ImmutableSet.of(
+        arguments("foo"), arguments(1, "foo", 2, "bar"), arguments(new Object()));
+  }
+}